Tire tread



FIG. 1 is a perspective view of a tire tread;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a perspective view of a tire tread; and,

FIG. 4 is a front elevation view thereof.

Broken lines in the drawings depict environmental subject matter onlyand form no part of the claimed design.

CLAIM The ornamental design for a tire tread, as shown and described.